Human Body Challenge: Are You Ready?

What is the smallest unit of life?

• Systems

• Cells

• Organs

• Tissues

Which part of the digestive system connects the mouth to the stomach?

• Large intestine

• Small intestine

• Rectum

• Esophagus

What is the main function of the lungs?

• Helps us breathe

• Removes waste

• Absorbs nutrients

• Pumps blood

Which system is responsible for moving blood and nutrients around the body?

• Digestive System

• Circulatory System

• Excretory System

• Respiratory System

What organ filters waste from the blood?

• Lungs

• Bladder

• Kidneys

• Urethra

Which part of the nervous system sends messages between the brain and body?

• Muscles

• Brain

• Spinal cord

• Nerves

What is the largest organ in the body?

• Lungs

• Skin

• Liver

• Heart

Which organ is responsible for detecting scents?

• Eyes

• Ears

• Nose

• Tongue

What type of muscles can we control voluntarily?

• Smooth muscles

• Skeletal muscles

• Cardiac muscles

• Involuntary muscles

What part of the locomotor system provides structure and protects organs?

• Tissues

• Bones

• Joints

• Muscles